IndependentCombinedYears Prep-12· Major Cities

Billanook College

Mooroolbark, VIC 3138 · Independent Schools Victoria

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ICSEA

1104

85th percentile nationally

Elite (top decile)

Total enrolments

889

Combined

Student–teacher ratio

11:1

83.3 FTE teachers

Gender mix

45% / 55%

girls / boys

Language background

12%

non-English at home

Socio-educational advantage

Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).

Bottom: 7%
Lower-mid: 21%
Upper-mid: 32%
Top: 41%

Source: ACARA My School 2025. ICSEA reflects the socio-educational background of a school's students — not academic results or teaching quality. National average = 1000. See data sources.